Compound Interest Calculator

Calculate compound interest with different compounding periods.

Principal

Annual Interest Rate (%)

Compounding Period

Investment Period (Years)

Compound interest calculator computes how your investment grows with interest reinvested. Supports monthly, quarterly, semi-annual, and annual compounding.

Features

Multiple compounding periods
Final amount and total interest
Principal vs earnings comparison
Long-term investment simulation

How it works

A = P(1 + r/n)^(nt), where P=principal, r=annual rate, n=compounding frequency, t=years.

Compound Interest Calculator

Features

How it works

Calculators